add experimental CBind mixin

diff --git a/Makefile b/Makefile
index b84c1f61c8a149a54ddc17f3fff359b144a33672..8677fe1676ac92fc8a239e86883c42d7f4a7855c 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,7 @@ WWWBASEDIR=${DESTDIR}/usr/share/javascript/${PACKAGE}
 JSSRC=                                 \
        Utils.js                        \
        Toolkit.js                      \
+       mixin/CBind.js                  \
        data/reader/JsonObject.js       \
        data/ProxmoxProxy.js            \
        data/UpdateQueue.js             \

diff --git a/mixin/CBind.js b/mixin/CBind.js
new file mode 100644 (file)
index 0000000..2b69cca
--- /dev/null
+++ b/mixin/CBind.js
@@ -0,0 +1,138 @@
+Ext.define('Proxmox.Mixin.CBind', {
+    extend: 'Ext.Mixin',
+
+    mixinConfig: {
+        before: {
+            initComponent: 'cloneTemplates'
+        }
+    },
+
+    cloneTemplates: function() {
+       var me = this;
+       
+       if (typeof(me.cbindData) == "function") {
+           me.cbindData = me.cbindData(me.initialConfig) || {};
+       }
+       
+       var getConfigValue = function(cname) {
+
+           if (cname in me.initialConfig) {
+               return me.initialConfig[cname];
+           }
+           if (cname in me.cbindData) {
+               return me.cbindData[cname];
+           }       
+           if (cname in me) {
+               return me[cname];
+           }
+           throw "unable to get cbind data for '" + cname + "'";
+       };
+       
+       var applyCBind = function(obj) {
+           var cbind = obj.cbind, prop, cdata, cvalue, match, found;
+           if (!cbind) return;
+
+           for (prop in cbind) {
+               cdata = cbind[prop];
+
+               found = false;
+               if (match = /^\{(!)?([a-z_][a-z0-9_]*)\}$/.exec(cdata)) {
+                   var cvalue = getConfigValue(match[2]);
+                   if (match[1]) cvalue = !cvalue;
+                   obj[prop] = cvalue;
+                   found = true;
+               } else {
+                   obj[prop] = cdata.replace(/{([a-z_][a-z0-9_]*)\}/g, function(match, cname) {
+                       var cvalue = getConfigValue(cname);
+                       found = true;
+                       return cvalue;
+                   });
+               }
+               if (!found) {
+                   throw "unable to parse cbind template '" + cdata + "'";
+               }
+
+           }
+       };
+
+       if (me.cbind) {
+           applyCBind(me);
+       }
+       
+       var cloneTemplateArray = function(org) {
+           var copy, i, found, el, elcopy, arrayLength;
+
+           arrayLength = org.length;
+           found = false;
+           for (i = 0; i < arrayLength; i++) {
+               el = org[i];
+               if (el.constructor == Object && el.xtype) {
+                   found = true;
+                   break;
+               }
+           }
+
+           if (!found) return org; // no need to copy
+
+           copy = [];
+           for (i = 0; i < arrayLength; i++) {
+               el = org[i];
+               if (el.constructor == Object && el.xtype) {
+                   elcopy = cloneTemplateObject(el);
+                   if (elcopy.cbind) {
+                       applyCBind(elcopy);
+                   }
+                   copy.push(elcopy);
+               } else if (el.constructor == Object && el.xtype) {
+                   elcopy = cloneTemplateObject(el);
+                   if (elcopy.cbind) {
+                       applyCBind(elcopy);
+                   }
+                   copy.push(elcopy);
+               } else {
+                   copy.push(el);
+               }
+           }
+           return copy;
+       };
+       
+       var cloneTemplateObject = function(org) {
+           var res = {}, prop, el, copy;
+           for (prop in org) {
+               el = org[prop];
+               if (el.constructor == Object && el.xtype) {
+                   copy = cloneTemplateObject(el);
+                   if (copy.cbind) {
+                       applyCBind(copy);
+                   }
+                   res[prop] = copy;
+               } else if (el.constructor == Array) {
+                   copy = cloneTemplateArray(el);
+                   res[prop] = copy;
+               } else {
+                   res[prop] = el;
+               }
+           }
+           return res;
+       };
+
+       var condCloneProperties = function() {
+           var prop, el, i, tmp;
+       
+           for (prop in me) {
+               el = me[prop];
+               if (el === undefined || el === null) continue;
+               if (typeof(el) === 'object' && el.constructor == Object) {
+                   if (el.xtype) {
+                       me[prop] = cloneTemplateObject(el);
+                   }
+               } else if (el.constructor == Array) {
+                   tmp = cloneTemplateArray(el);
+                   me[prop] = tmp;
+               }
+           }
+       };
+
+       condCloneProperties();
+    }
+});